Context7 MCP Clone

# Phase 7: Testing & Quality Assurance - Next Steps ## Current Status Phase 6 Complete - All backend and frontend components fully implemented Database seeded with test data and ready for comprehensive testing ## Phase 7 Objectives ### 1. Unit Testing (Target: 80% Coverage) **Backend API Services** ```bash # Rate Limiting Service packages/backend-api/src/modules/rate-limiting/__tests__/rate-limiting.service.spec.ts - Test rate limit enforcement - Test tier-based limits (50, 500, 5000 rpm) - Test day limit calculations - Test rate limit reset - Test concurrent requests # Authentication Service packages/backend-api/src/modules/auth/__tests__/auth.service.spec.ts - Test user registration with validation - Test password hashing - Test JWT token generation - Test password verification - Test invalid credentials # Libraries Service packages/backend-api/src/modules/libraries/__tests__/libraries.service.spec.ts - Test library search functionality - Test full-text search - Test library filtering - Test pagination - Test version ordering # Documentation Service packages/backend-api/src/modules/documentation/__tests__/documentation.service.spec.ts - Test documentation retrieval - Test pagination - Test topic filtering - Test version-specific docs - Test search functionality ``` **MCP Server Tools** ```bash # resolve-library-id Tool packages/mcp-server/src/tools/__tests__/resolve-library-id.spec.ts - Test library lookup by name - Test ranking algorithm - Test error handling for unknown libraries - Test response format validation # get-library-docs Tool packages/mcp-server/src/tools/__tests__/get-library-docs.spec.ts - Test documentation retrieval - Test topic filtering - Test pagination - Test mode selection (code vs info) - Test version handling ``` **Crawler Engine** ```bash # Rate Limiting Service packages/crawler-engine/src/__tests__/job-queue.spec.ts - Test job enqueueing - Test worker processing - Test job completion - Test error handling - Test retry logic # GitHub Crawler packages/crawler-engine/src/__tests__/github-crawler.spec.ts - Test version parsing - Test repository structure detection - Test README extraction - Test docs folder traversal - Test error handling for invalid repos # Documentation Scraper packages/crawler-engine/src/__tests__/docs-scraper.spec.ts - Test page fetching - Test HTML parsing - Test content extraction - Test sitemap parsing - Test rate limiting ``` **Frontend Components** ```bash # useAuth Hook packages/web-ui/src/hooks/__tests__/useAuth.spec.ts - Test registration flow - Test login flow - Test logout flow - Test token persistence - Test user restoration from storage - Test error handling # useApiKeys Hook packages/web-ui/src/hooks/__tests__/useApiKeys.spec.ts - Test key fetching - Test key generation - Test key revocation - Test error handling - Test loading states # API Client packages/web-ui/src/lib/__tests__/api.spec.ts - Test all endpoints - Test error handling - Test token injection - Test response parsing ``` ### 2. Integration Testing **Auth Flow Integration** ```bash packages/backend-api/src/integration/__tests__/auth.integration.spec.ts - Register → Login → Get Profile flow - Verify JWT tokens in responses - Test token expiration - Test refresh token mechanism - Test invalid token handling ``` **API Key Management Integration** ```bash packages/backend-api/src/integration/__tests__/api-keys.integration.spec.ts - Generate key → Store → List keys - Generate key → Copy → Use in API call - Generate key → Revoke → Verify revocation - Rate limiting enforcement on API key ``` **Rate Limiting Integration** ```bash packages/backend-api/src/integration/__tests__/rate-limiting.integration.spec.ts - Rapid API calls → Hit rate limit - Multiple users → Independent rate limits - Rate limit reset at time boundary - Rate limit headers in responses ``` **Library Search Integration** ```bash packages/backend-api/src/integration/__tests__/library-search.integration.spec.ts - Search for seeded libraries - Verify full-text search works - Test pagination across results - Test sorting and ordering ``` **Documentation Retrieval Integration** ```bash packages/backend-api/src/integration/__tests__/documentation.integration.spec.ts - Retrieve docs for each seeded library - Test version-specific retrieval - Test topic filtering - Test pagination ``` ### 3. End-to-End Testing **User Registration & Login E2E** ```bash packages/web-ui/e2e/auth.e2e.spec.ts - Load signup page - Fill form with valid data - Submit registration - Verify redirect to dashboard - Logout - Login with credentials - Verify dashboard loads ``` **API Key Management E2E** ```bash packages/web-ui/e2e/api-keys.e2e.spec.ts - Login as pro user - Navigate to dashboard - Click "Create Key" - Enter key name - Generate key - Copy key to clipboard - Verify copy feedback - Create another key - Revoke a key - Verify removal from list ``` **Admin Panel E2E** ```bash packages/web-ui/e2e/admin-panel.e2e.spec.ts - Login as enterprise user - Navigate to admin panel (should work) - Verify stats cards load - Verify jobs table renders - Wait for refresh - Verify stats update - Test as free user (should redirect) ``` **Search Documentation E2E** ```bash packages/web-ui/e2e/documentation-search.e2e.spec.ts - Load documentation page - Search for "react" - Verify results appear - Click library card - Verify details load - Test filtering by ecosystem - Test pagination ``` ### 4. Performance Testing **API Performance Benchmarks** ```bash # Using Apache Bench or k6 ab -n 1000 -c 100 http://localhost:5000/api/v1/libraries Expected: - p50: <50ms - p95: <100ms - p99: <200ms ``` **Database Query Performance** ```bash # Test individual queries - Full-text search: <100ms - Library lookup: <50ms - Documentation retrieval: <150ms ``` **Frontend Performance** ```bash # Lighthouse audit for: - Performance: >90 - Accessibility: >90 - Best Practices: >90 - SEO: >90 ``` **Rate Limiting Performance** ```bash # Verify Redis operations - Rate limit check: <5ms - Rate limit increment: <5ms - No noticeable API slowdown ``` ### 5. Test Infrastructure Setup **Jest Configuration** ```typescript // jest.config.js module.exports = { preset: 'ts-jest', testEnvironment: 'node', roots: ['<rootDir>/src'], testMatch: ['**/__tests__/**/*.spec.ts'], collectCoverageFrom: [ 'src/**/*.ts', '!src/**/*.d.ts', '!src/**/index.ts' ], coverageThreshold: { global: { branches: 80, functions: 80, lines: 80, statements: 80 } } }; ``` **Test Scripts in package.json** ```json { "scripts": { "test": "jest", "test:watch": "jest --watch", "test:cov": "jest --coverage", "test:integration": "jest --testPathPattern=integration", "test:e2e": "playwright test", "test:load": "k6 run load-test.js" } } ``` ## Testing Tools Required ### Unit Testing - Jest: Installed in backend-api - ts-jest: TypeScript support - Supertest: HTTP testing ### Integration Testing - PostgreSQL test container: Docker-based test DB - Redis test container: Redis for rate limiting tests ### E2E Testing - Playwright: Browser automation - Test data factories: Seed test data ### Performance Testing - Apache Bench: HTTP load testing - k6: Advanced load testing - Lighthouse CLI: Web performance ## Testing Execution Plan ### Week 1: Unit Tests - Day 1-2: Backend service tests - Day 3: MCP server tool tests - Day 4: Frontend hook tests - Day 5: API client tests ### Week 2: Integration Tests - Day 1-2: Auth flow integration - Day 3: API key flow integration - Day 4: Rate limiting integration - Day 5: Library/docs integration ### Week 3: E2E Tests - Day 1-2: Auth E2E tests - Day 3: API key management E2E - Day 4: Admin panel E2E - Day 5: Documentation search E2E ### Week 4: Performance & Optimization - Day 1-2: Database query optimization - Day 3: API response optimization - Day 4: Frontend performance optimization - Day 5: Load testing and benchmarking ## Success Criteria ### Coverage Targets - ✅ 80%+ code coverage across all services - ✅ 100% coverage for critical paths (auth, rate limiting) - ✅ 70%+ coverage for UI components ### Performance Targets - ✅ API response p95 <200ms - ✅ Search queries <100ms - ✅ Database queries <50ms - ✅ Frontend Lighthouse score >90 ### Quality Targets - ✅ 0 critical bugs - ✅ 0 security vulnerabilities - ✅ Proper error handling in all paths - ✅ All edge cases tested ## Known Test Gaps to Address 1. **Currently Missing** - No JWT refresh token tests - No password reset flow tests - No image upload tests - No concurrent request tests - No failure scenario tests 2. **Added During Phase 7** - Comprehensive error scenarios - Race condition handling - Memory leak detection - Database connection pooling tests - Cache invalidation tests ## Next Phase (Phase 8) After testing completes: - Production deployment setup - Monitoring and alerting - Backup and recovery procedures - Scaling strategies - Security hardening ## Running Tests ### Once Implemented ```bash # All tests npm test # By package cd packages/backend-api && npm test cd packages/web-ui && npm test # With coverage npm run test:cov # Integration only npm run test:integration # E2E only npm run test:e2e # Load testing npm run test:load ``` ## Files to Create ### Backend Tests - `packages/backend-api/src/modules/rate-limiting/__tests__/rate-limiting.service.spec.ts` - `packages/backend-api/src/modules/auth/__tests__/auth.service.spec.ts` - `packages/backend-api/src/modules/libraries/__tests__/libraries.service.spec.ts` - `packages/backend-api/src/modules/documentation/__tests__/documentation.service.spec.ts` - `packages/backend-api/src/integration/__tests__/auth.integration.spec.ts` - `packages/backend-api/src/integration/__tests__/rate-limiting.integration.spec.ts` - `packages/backend-api/src/integration/__tests__/library-search.integration.spec.ts` ### MCP Server Tests - `packages/mcp-server/src/tools/__tests__/resolve-library-id.spec.ts` - `packages/mcp-server/src/tools/__tests__/get-library-docs.spec.ts` ### Frontend Tests - `packages/web-ui/src/hooks/__tests__/useAuth.spec.ts` - `packages/web-ui/src/hooks/__tests__/useApiKeys.spec.ts` - `packages/web-ui/src/lib/__tests__/api.spec.ts` - `packages/web-ui/e2e/auth.e2e.spec.ts` - `packages/web-ui/e2e/api-keys.e2e.spec.ts` - `packages/web-ui/e2e/admin-panel.e2e.spec.ts` ### Configuration - `jest.config.js` (root and per-package) - `playwright.config.ts` (E2E) - `load-test.js` (k6 performance) --- **Status**: Ready to begin Phase 7 **Previous Phase Completion**: Phase 6 ✅ **Target Completion**: 4 weeks **Next Review**: After unit tests complete